Returns the formatted string, optionally including prompt and literal characters.
返回带格式的字符串，还可以选择包含密码字符。
The money_format function returns a string formatted as a currency string.
函数的作用是：将数字格式化为货币形式。
Returns a substring of the formatted string, optionally including prompt, literal, and password characters.
传回格式化字串的子字串，选择性包含提示、常值和密码字元。
Returns a substring of the formatted string.
传回格式化字串的子字串。
Returns all the patterns in which date and time values can be formatted using the specified standard format string.
返回可使用指定标准格式字符串对日期和时间值进行格式设置的所有模式。
Returns a substring of the formatted string, optionally including password characters.
返回带格式字符串的子字符串，也可以选择包含密码字符。
Returns a substring of the formatted string, optionally including prompt and literal characters.
返回带格式字符串的子字符串，也可以选择包含提示字符和原义字符。
Returns a substring of the formatted string, optionally including prompt and literal characters.
返回带格式字符串的子字符串，也可以选择包含提示字符和原义字符。
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